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Home > Electrical & Electronics > Electrical Control System > ABB REB670 1MRK002820-AC Integrated Protection Relay

ABB REB670 1MRK002820-AC Integrated Protection Relay

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

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China

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Delivery time depends on order quantity.

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Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

Dimensions 190mm×210mm×150mm

Weight Approximately 3kg

Temperature -25℃ to +70℃

Humidity 5% to 95% (no condensation)

Basic Information

Model Affiliation: ABB REB670 series digital protection relay, belonging to medium and high-voltage power system protection and control equipment. It is suitable for protection, measurement, and control scenarios of power equipment such as transformers, lines, and motors.
Product Positioning: As a new-generation Intelligent Electronic Device (IED), it integrates relay protection, automation control, communication, and condition monitoring functions, supporting compatible applications for digital substations (IEC 61850) and traditional systems.

Technical Parameters

Parameter Category	Detailed Specifications
Protection Functions	- Supports transformer differential protection (ratio braking characteristic), overcurrent protection, ground fault protection, overvoltage/undervoltage protection, frequency protection, gas protection (requires external sensor), etc.; - Line protection supports distance protection (three-stage), directional overcurrent, reclosing control; - Motor protection includes overheating protection, locked-rotor protection, underload protection, etc., with customizable protection logic.
Measurement and Metering	- Real-time monitoring of electrical parameters such as three-phase voltage, current, power, frequency, power factor, etc., with a measurement accuracy of ±0.5%; - Supports electrical energy metering (active/reactive), compliant with IEC 62053-22 standard, with a resolution of 0.01kWh.
Communication Interfaces	- 2× Ethernet ports (supporting IEC 61850-3, Modbus TCP, EtherNet/IP); - 2× RS-485 serial ports (supporting Modbus RTU, IEC 60870-5-103); - Supports GOOSE/SMV message transmission, adapting to the sampled value transmission requirements of digital substations; - Optional fiber optic interface to meet anti-interference requirements for long-distance communication.
Power Requirements	- Input voltage: 110-220V DC or 110-240V AC (wide-range compatibility), power consumption ≤30W; - Supports dual-power redundant input to enhance system reliability.
Physical Characteristics	- Dimensions: 190mm×210mm×150mm (standard 19-inch rack mounting); - Weight: Approximately 3kg; - Protection class: IP20 (panel), suitable for indoor control cabinet installation environments.
Operating Environment	- Temperature: -25°C to +70°C (wide-temperature design without cooling fans); - Humidity: 5% to 95% (non-condensing); - Vibration/impact resistance: Complies with IEC 60068-2-6/2-27 standards, suitable for harsh industrial field environments.

Core Functions and FeaturesIntegrated Protection Functions

Supports customization of protection logic for multiple devices, enabling graphical programming through ABB Relion® protection configuration tools (such as Relion 600 Series Manager) without complex coding.
Built-in fault recording function, which can record waveform data for 10 cycles before and 50 cycles after a fault, with a sampling rate of 2000Hz, facilitating fault analysis.

Digitalization and Intelligence

Supports the IEC 61850 communication protocol, enabling access to digital substation systems and seamless communication with Merging Units (MUs) and Smart Terminals (STs);
Features condition monitoring capabilities, enabling real-time monitoring of equipment health status (such as transformer oil temperature and winding temperature prediction), and supporting predictive maintenance.

Human-Machine Interaction and Debugging

The front panel is equipped with a 4.3-inch color touchscreen, supporting real-time data display, modification of protection settings, and query of event records;
Supports remote debugging and firmware upgrading, enabling remote parameter configuration and fault diagnosis through network interfaces.

Reliability Design

The hardware adopts a redundant CPU architecture, and key circuits undergo dual verification to prevent malfunctions and refusal to act;
The EMC anti-interference level complies with IEC 61000-6-5, making it suitable for strong electromagnetic interference scenarios (such as substations and industrial frequency converter environments).

Application Fields

Power Systems: Main transformer protection, line protection, and bus tie protection in 10kV~220kV substations;
Industrial Scenarios: Protection for large motors (e.g., petrochemical and metallurgical industries), and protection for generator sets in captive power plants;
Renewable Energy: Protection for booster stations in wind farms/solar power plants, and protection for grid-connected lines;
Critical Facilities: Scenarios with high requirements for power supply reliability, such as data centers, hospitals, and rail transit.

Typical Configurations and Networking

Standalone Mode: Independent protection relay, connected to CT/PT and circuit breakers through hardwiring;
Digital Substation Mode: Accesses MU (Merging Unit) via optical fiber to receive sampled values (SMV), and controls circuit breakers through GOOSE;
System Integration: Docks with ABB Ability™ smart grid management systems to achieve the entire network protection collaboration and intelligent dispatching.

Common Faults and MaintenanceProtection Malfunction

Check whether protection settings match the actual load (e.g., if the overcurrent setting is too low);
Confirm whether the wiring polarity of CT/PT is correct to prevent sampling deviations.

Communication Interruption

Check the network cable connection and switch status, and test the network packet loss rate;
Confirm whether the IEC 61850 configuration file (SCD) and device IP address are correct.

Display Abnormality

Restart the device or update the firmware; if there is a hardware failure, replace the display module (contact ABB after-sales service).

Comparison with Series Products

Model	REB670 1MRK002820-AC	REB650 (Basic Version)	REB670C (Compact Type)
Protection Functions	Full-function type, supporting transformer/line/motor protection	Focuses on line protection with simplified functions	Functions are consistent with REB670, with a 30% reduction in size
Communication Protocols	IEC 61850, Modbus, EtherNet/IP	Only supports Modbus, IEC 60870-5	Same as REB670
Applicable Voltage Levels	10kV~220kV	10kV~110kV	10kV~66kV
Typical Applications	Main transformer protection, complex systems	Distribution network line protection	Packaged substations, compact cabinets

Summary

The ABB REB670 1MRK002820-AC is a core protection device for medium and high-voltage power systems. With its highly integrated protection functions, digital communication capabilities, and high-reliability design, it meets the needs of smart grids and industrial automation. It supports the IEC 61850 standard, adapts to the upgrading of digital substations, and has flexible protection logic customization capabilities, making it suitable for scenarios with strict requirements for power supply reliability.

Product Tags: REB670 , 1MRK002820-AC